Wim Taymans
b2c24f3435
audioconvert: fix unaligned writes
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Avoid some optimizations that cause unaligned writes.
See #3572
2023-10-15 20:52:54 +02:00
Wim Taymans
bdd577c360
Revert "audioconvert: fix unaligned address"
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This reverts commit ae3798abaa
2023-10-15 20:49:31 +02:00
Wim Taymans
ae3798abaa
audioconvert: fix unaligned address
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See #3572
2023-10-15 20:40:30 +02:00
Barnabás Pőcze
8c17a6626d
treewide: mark some functions static
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These were found by enabling the "missing-declarations" warning.
2023-07-03 19:40:31 +02:00
Barnabás Pőcze
934ab3036e
treewide: use SPDX tags to specify copyright information
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SPDX tags make the licensing information easy to understand and clear,
and they are machine parseable.
See https://spdx.dev for more information.
2023-02-16 10:54:48 +00:00
Sefa Eyeoglu
b927063b89
audioconvert: fix distorted audio on AVX2
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Closes pipewire/pipewire#2885
Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
2022-12-11 20:16:03 +01:00
Wim Taymans
177479dfd1
audioconvert: improve some more AVX2 code
2022-12-05 09:37:29 +01:00
Wim Taymans
4e4d76ccd0
audioconvert: use gather in AVX2 code
2022-12-04 20:38:35 +01:00
Wim Taymans
38b3d027ec
audioconvert: remove S32_SCALE
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We don't use it, we use S24_SCALE and then shift. Also adjust the
S32_MIN and S32_MAX values, based on S24 values.
2022-07-20 17:45:34 +02:00
Wim Taymans
0ba3e7c5db
audioconvert: round instead of truncate, to reduce distortion
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See #2543
2022-07-13 20:56:13 +02:00
Wim Taymans
6a8fd7024e
audioconvert: add and use AVX2 clamp macros
2022-07-12 10:45:41 +02:00
Wim Taymans
b8a4bf880f
audioconvert: use 24 bits for 32 formats
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The float only preserves 24 bits so use this. Otherwise we get overflows
and errors in clang.
2022-07-07 18:38:32 +02:00
Wim Taymans
22317da685
audioconvert: tweak conversion constants
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Tweak the conversion constants a bit so that they handle the
extreme ranges a bit better.
Align the C and vector instructions.
Reactivate the unit test asserts when a conversion fails.
2022-07-05 12:20:02 +02:00
Wim Taymans
817d5bd7a4
audioconvert: simplify 24 bits handling
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Make a new uint42_t and int24_t type and use that to handle 24 bits
samples. This makes it easier because we can iterate and copy the
structs like other types.
2022-07-01 12:25:58 +02:00
Wim Taymans
938f2b123e
audioconvert: improve format conversion
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Make dither noise as a value between -0.5 and 0.5 and add this
to the scaled samples.
For this, we first need to do the scaling and then the CLAMP to
the target depth. This optimizes to the same code but allows us
to avoid under and overflows when we add the dither noise.
Add more dithering methods.
Expose a dither.method property on audioconvert. Disable dither when
the target depth > 16.
2022-06-29 14:10:15 +02:00
Wim Taymans
d23b96b033
audioconvert: fix some compiler warnings
2022-06-29 14:08:30 +02:00
raghu447
af263187ea
Reverting redundant changes
2020-06-04 10:36:39 +02:00
raghu447
9024cc4444
Integrating libcamera
2020-06-04 10:36:39 +02:00
Martin Koch
fefdc26f84
plugin: workaround for AVX intrinsic: "_mm256_setr_m128()" missing in GCC
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Signed-off-by: Martin Koch <martin.koch@ese.de>
2020-05-13 08:53:43 +00:00
Wim Taymans
b8a1ea1d3a
fmt-ops: fix 32 bit compilation
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_mm256_extract_epi64 is only for 64 bits, add workaround for 32
bits.
Fixes #220
2020-03-23 14:18:10 +01:00
Wim Taymans
57f84ae5ae
fmt-ops: use gather to read samples
2020-03-18 11:41:14 +01:00
Wim Taymans
55633ebf9a
fmt-ops: move AVX
2020-03-18 10:06:54 +01:00
Wim Taymans
949dba7bfc
fmt-ops: flesh out avx optimizations
2020-03-17 17:27:47 +01:00
Wim Taymans
3a911dfe3b
fmt-ops: add avx2 optimized version
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Only one optimized version but the sse2 version are compiled with
the avx2 flags so that they get optimized better.
2020-03-16 16:11:29 +01:00
